热恒星的紫外辐射使星云发光。
Ultraviolet radiation from the hot star powers the nebular glow.
在极区，太阳粒子辐射的加热，可超过紫外辐射的作用。
The immediate cause of low temperature in the polar regions is the low solar elevation and solar radiation input.
“紫外辐射式看不到的也感觉不到的”，这项研究指出。
"Ultraviolet radiation can neither be seen nor felt," the study noted.
质量合格的太阳镜保护人类的眼睛免收太阳紫外辐射的伤害。
Quality sunglasses protect the human eyes from being destroyed by the sun's ultraviolet radiation.
维生素D的主要来源是通过阳光中的紫外辐射在皮肤中合成的。
The main source of vitamin D is exposure to ultra-violet radiation in sunlight, which produces vitamin D in the skin.
最后，给出了紫外传感器对紫外辐射的测量实验结果和测量曲线。
Finally, the experimental result and the curve diagram of measurement for ultraviolet radiation spectrum are given.
然而，有关紫外辐射(uvr)与其光合作用和生长的关系尚不清楚。
However, little is known about the relation between solar UV radiation (UVR) and their photosynthetic performance, growth.
这是因为，在没有防护臭氧层时，土地沐浴了在紫外辐射的致死的水平。
This is because, in the absence of a protective ozone layer, the land was bathed in lethal levels of UV radiation.
在该系统运行时，该微波室对于微波能量以及紫外辐射的发射基本封闭。
When the system is operating, the microwave chamber is substantially closed to emission of microwave energy and ultraviolet radiation.
本文介绍了HL -1m装置等离子体杂质真空紫外辐射观测的初步结果。
The results of impurity VUV radiation observation on the HL 1m device are given in this paper.
以聚丙烯腈膜为基膜，壳聚糖为改性剂，采用紫外辐射法制备了一种新型纳滤膜。
A new nanofiltration membrane was prepared by using the method of ultraviolet irradiation and polyacrylonitrile membrane as matrix membrane and chitosan as modifier.
晒伤：一种急性皮肤炎症，由来自太阳光或其它光源的紫外辐射过度照射引起。 收藏。
Sunburn: Acute skin inflammation caused by overexposure to ultraviolet radiation from sunlight or other sources.
警告——除了前面提到的注意事项，由于紫外辐射会损伤眼睛，绝对不要直接看紫外灯。
Warning—In addition to other precautions, never look directly at the fluorescent UV lamp because UV radiation can damage the eye.
他使用卫星上的“太阳反向散射紫外辐射测量仪(SBUV, 1978年发射)”的数据观测云层。
He has been observing the clouds in data from Solar Backscatter Ultraviolet instruments that have been flown on satellites since 1978.
维京登陆任务显示，由于没有水，强紫外辐射，氧化性的土壤，当前火星表面不适合生命生存。
The Viking lander missions showed the present surface environment of Mars to be unfavourable for life due to the absence of liquid water, intense UV radiation, and oxidizing soils.
防止紫外线，保护眼睛及脸部，经过滤后的所有紫外光辐射符合规定的最大允许紫外辐射水平。
It Prevent ultraviolet ray, protect eyes and face, pass through sieve posterior all ultraviolet light radiate accord with stipulation the most big permit ultraviolet radiation level.
对人类而言，黑素有利于保护皮肤不受紫外辐射的伤害，但也有可能使产生它的细胞出现黑素瘤。
In humans, melanins help protect the skin against the damaging effects of ultraviolet radiation, but melanoma may arise from cells that produce it.
本文讨论了利用自动太阳光谱仪测量地面的紫外辐射光谱，并进一步计算了NO_2的光分解系数。
We measured UV radiation spectrum reaching the ground by the Automatic Solar Spectrophotometer, and calculated NO2 photolysis rate further.
为开展真空紫外辐射及真空紫外线与其它空间环境复合效应的地面模拟实验，研制了真空辐照模拟设备。
We developed the ground VUV simulation facility for the research of vacuum ultraviolet irradiation and the compound effect of vacuum ultraviolet radiation with other space environments.
实验结果表明，带有光反馈的恒压恒流直流电源发光稳定，为精确紫外辐射定标提供了高稳定度的紫外光源。
Through the experiment, it is indicated that regulated direct power makes the light source stable and provides the accurate UV radiation calibration with stable ultraviolet light source.
紫外告警技术是导弹来袭告警技术的重要类型之一，可利用“日盲区”有效地探测来袭导弹羽烟的紫外辐射。
UV warning technology is one of the important missile warning ways, it detects the radiation signature in the UV solar blind spectral band that is emitted from the approaching hostile missile plume.
通过仔细的理论分析，可以推导出如气体密度、温度和压力等各种物理参量，以及紫外辐射和电离辐射的流量。
With a careful theoretical analysis various physical parameters such as the gas density, temperature, and pressure, and the ultraviolet and ionizing radiation fluxes can be derived .
估算得到的紫外辐射衰减系数与DOC浓度均存在显著性正相关，但UV - B波段要高于UV - A波段。
The estimated ultraviolet radiation attenuation coefficient and DOC concentration all existed markedly positive relationship; but UV-B wave band was higher than UV-A wave band.
根据大气的辐射传输方程提出了一种计算速度快、精度高尾焰紫外辐射传输的模型，这种模型的收敛性已得到证明。
Based on radiative transfer equation, a model which has high precision and compute fast has been designed. The convergence of this model has been confirmed.
这些现象表明，虽然南极地区紫外线辐射很强，但南极蓝藻可以产生多种抗紫外辐射的活性物质来适应这种极端环境。
These changes suggest the possible prescence of active substances in the cells of Antarctic Cyanophyceae-B able to resist UV-B radiation.
本文论述了太阳紫外辐射uva的危害性，对uva的测试方法、镀膜玻璃的防紫外辐射性能作了较详细的分析和讨论。
This paper discusses and analyzes the harm of UVA to human beings from solar UV radiation, the measuring methods for UV radiation, and the UV proof characteristics of vacuum coated glass.
为了满足诸如抗紫外辐射，拒水和防护人体不受环境的影响等方面的苛刻要求，对高性能纺织品涂层越来越成为一种普遍采用的措施。
To satisfy stringent requirements with respect to UV resistance, water repellency and protection against environmental influences, it is becoming increasingly common to coat high performance textiles.
高温和紫外辐射均引起灌浆后期旗叶SOD活性降低，在高温条件下GABA处理提高了旗叶中SOD活性上升，与MDA含量降低一致。
The both stresses decreased the SOD activity of flag leaf in the late stage of filling, GABA increased the activity under high temperature, which showed same effect of reduction in MDA content.
高温和紫外辐射均引起灌浆后期旗叶SOD活性降低，在高温条件下GABA处理提高了旗叶中SOD活性上升，与MDA含量降低一致。
The both stresses decreased the SOD activity of flag leaf in the late stage of filling, GABA increased the activity under high temperature, which showed same effect of reduction in MDA content.
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